APA (7th ed.) Citation

Whipple, F. L., Boyd, L. G., Hynek, J. A., & Schilling, G. F. (1958). Orbital data and preliminary analyses of Satellites 1957 Alpha and 1957 Beta. Smithsonian Institution.

Chicago Style (17th ed.) Citation

Whipple, Fred L., Lyle Gifford Boyd, J. Allen Hynek, and G. F. Schilling. Orbital Data and Preliminary Analyses of Satellites 1957 Alpha and 1957 Beta. Washington, D.C.: Smithsonian Institution, 1958.

MLA (9th ed.) Citation

Whipple, Fred L., et al. Orbital Data and Preliminary Analyses of Satellites 1957 Alpha and 1957 Beta. Smithsonian Institution, 1958.